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bgpd: clean up evpn prefix debugging commands
* Fix memory leaks in debug commands * Use CLI tokens to properly sanitize input * Remove unnecessary error handling code from debug commands * Remove unnecessary parameters from conf print functions Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young
parent
29a643cac1
commit
377e35655a
142
bgpd/bgp_debug.c
142
bgpd/bgp_debug.c
@ -43,6 +43,7 @@
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#include "bgpd/bgp_label.h"
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#include "bgpd/bgp_evpn.h"
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#include "bgpd/bgp_evpn_private.h"
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#include "bgpd/bgp_evpn_vty.h"
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#include "bgpd/bgp_vty.h"
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#include "bgpd/bgp_flowspec.h"
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@ -607,44 +608,32 @@ static int bgp_debug_parse_evpn_prefix(struct vty *vty, struct cmd_token **argv,
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argv_p = *argv_pp;
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if (argv_find(argv, argc, "type", &type_idx) == 0)
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return CMD_WARNING;
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if (strncmp(argv[type_idx + 1]->arg, "ma", 2) == 0)
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if (argv_find(argv, argc, "macip", &type_idx))
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evpn_type = BGP_EVPN_MAC_IP_ROUTE;
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else if (strncmp(argv[type_idx + 1]->arg, "mu", 2) == 0)
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else if (argv_find(argv, argc, "multicast", &type_idx))
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evpn_type = BGP_EVPN_IMET_ROUTE;
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else if (strncmp(argv[type_idx + 1]->arg, "pr", 2) == 0)
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else if (argv_find(argv, argc, "prefix", &type_idx))
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evpn_type = BGP_EVPN_IP_PREFIX_ROUTE;
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else
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evpn_type = 0;
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if (evpn_type == BGP_EVPN_MAC_IP_ROUTE) {
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memset(&ip, 0, sizeof(struct ipaddr));
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/* get the ip if specified */
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if (argv_find(argv, argc, "ip", &ip_idx)) {
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if (str2ipaddr(argv[ip_idx + 1]->arg, &ip) != 0) {
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vty_out(vty, "%% Malformed IP address\n");
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return CMD_WARNING;
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}
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}
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argv_find(argv, argc, "mac", &mac_idx);
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if (!prefix_str2mac(argv[mac_idx + 1]->arg, &mac)) {
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vty_out(vty, "%% Malformed MAC address\n");
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return CMD_WARNING;
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}
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prefix_str2mac(argv[mac_idx + 1]->arg, &mac);
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argv_find(argv, argc, "ip", &ip_idx);
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str2ipaddr(argv[ip_idx + 1]->arg, &ip);
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build_evpn_type2_prefix((struct prefix_evpn *)argv_p,
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&mac, &ip);
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} else if (evpn_type == BGP_EVPN_IMET_ROUTE) {
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memset(&ip, 0, sizeof(struct ipaddr));
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/* get the ip if specified */
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if (argv_find(argv, argc, "ip", &ip_idx)) {
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if (str2ipaddr(argv[ip_idx + 1]->arg, &ip) != 0) {
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vty_out(vty, "%% Malformed IP address\n");
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return CMD_WARNING;
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}
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}
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argv_find(argv, argc, "ip", &ip_idx);
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str2ipaddr(argv[ip_idx + 1]->arg, &ip);
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build_evpn_type3_prefix((struct prefix_evpn *)argv_p,
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ip.ipaddr_v4);
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} else if (evpn_type == BGP_EVPN_IP_PREFIX_ROUTE) {
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@ -1391,55 +1380,51 @@ DEFUN (no_debug_bgp_update_direct_peer,
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DEFPY (debug_bgp_update_prefix_afi_safi,
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debug_bgp_update_prefix_afi_safi_cmd,
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"debug bgp updates prefix <l2vpn>$afi <evpn>$safi type <macip mac WORD [ip WORD]|multicast ip WORD |prefix ip WORD>",
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"debug bgp updates prefix l2vpn$afi evpn$safi type <macip mac <M:A:C|M:A:C/M> [ip <A.B.C.D|X:X::X:X>]|multicast ip <A.B.C.D|X:X::X:X>|prefix ip <A.B.C.D/M|X:X::X:X/M>>",
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DEBUG_STR
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BGP_STR
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"BGP updates\n"
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"Specify a prefix to debug\n"
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"l2vpn\n"
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"evpn\n"
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L2VPN_HELP_STR
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EVPN_HELP_STR
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"Specify EVPN Route type\n"
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"MAC-IP (Type-2) route\n"
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"MAC\n"
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"MAC address (e.g., 00:e0:ec:20:12:62)\n"
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"IP\n"
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"IP address (IPv4 or IPv6)\n"
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MAC_STR MAC_STR MAC_STR
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IP_STR
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"IPv4 address\n"
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"IPv6 address\n"
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"Multicast (Type-3) route\n"
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"IP\n"
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"IP address (IPv4 or IPv6)\n"
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IP_STR
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"IPv4 address\n"
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"IPv6 address\n"
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"Prefix (Type-5) route\n"
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"IP\n"
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"Prefix route\n")
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IP_STR
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"IPv4 prefix\n"
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"IPv6 prefix\n")
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{
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int idx_ipv4_ipv6_prefixlen = 4;
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struct prefix *argv_p;
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int ret = CMD_SUCCESS;
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afi_t afiz;
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safi_t safiz;
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char buf[PREFIX2STR_BUFFER];
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argv_p = prefix_new();
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afiz = bgp_vty_afi_from_str(afi);
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safiz = safi ? bgp_vty_safi_from_str(safi) : SAFI_UNICAST;
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/* check for evpn route type */
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if (afiz == AFI_L2VPN && safiz == SAFI_EVPN) {
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ret = bgp_debug_parse_evpn_prefix(vty, argv, argc, &argv_p);
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if (ret != CMD_SUCCESS)
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goto cleanup;
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} else {
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(void)str2prefix(argv[idx_ipv4_ipv6_prefixlen]->arg, argv_p);
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apply_mask(argv_p);
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if (ret != CMD_SUCCESS) {
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prefix_free(argv_p);
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return ret;
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}
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if (!bgp_debug_update_prefixes)
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bgp_debug_update_prefixes = list_new();
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prefix2str(argv_p, buf, sizeof(buf));
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if (bgp_debug_list_has_entry(bgp_debug_update_prefixes, NULL, argv_p)) {
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vty_out(vty,
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"BGP updates debugging is already enabled for %s\n",
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argv[idx_ipv4_ipv6_prefixlen]->arg);
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goto cleanup;
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buf);
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prefix_free(argv_p);
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return CMD_SUCCESS;
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}
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bgp_debug_list_add_entry(bgp_debug_update_prefixes, NULL, argv_p);
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@ -1448,59 +1433,50 @@ DEFPY (debug_bgp_update_prefix_afi_safi,
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DEBUG_ON(update, UPDATE_PREFIX);
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} else {
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TERM_DEBUG_ON(update, UPDATE_PREFIX);
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vty_out(vty, "BGP updates debugging is on for %s\n",
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argv[idx_ipv4_ipv6_prefixlen]->arg);
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vty_out(vty, "BGP updates debugging is on for %s\n", buf);
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}
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cleanup:
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prefix_free(argv_p);
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return ret;
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return CMD_SUCCESS;
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}
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DEFPY (no_debug_bgp_update_prefix_afi_safi,
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no_debug_bgp_update_prefix_afi_safi_cmd,
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"no debug bgp updates prefix <l2vpn>$afi <evpn>$safi type <macip mac WORD [ip WORD]|multicast ip WORD |prefix ip WORD>",
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"no debug bgp updates prefix l2vpn$afi evpn$safi type <macip mac <M:A:C|M:A:C/M> [ip <A.B.C.D|X:X::X:X>]|multicast ip <A.B.C.D|X:X::X:X>|prefix ip <A.B.C.D/M|X:X::X:X/M>>",
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NO_STR
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DEBUG_STR
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BGP_STR
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"BGP updates\n"
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"Specify a prefix to debug\n"
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"l2vpn\n"
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"evpn\n"
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L2VPN_HELP_STR
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EVPN_HELP_STR
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"Specify EVPN Route type\n"
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"MAC-IP (Type-2) route\n"
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"MAC\n"
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"MAC address (e.g., 00:e0:ec:20:12:62)\n"
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"IP\n"
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"IP address (IPv4 or IPv6)\n"
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MAC_STR MAC_STR MAC_STR
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IP_STR
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"IPv4 address\n"
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"IPv6 address\n"
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"Multicast (Type-3) route\n"
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"IP\n"
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"IP address (IPv4 or IPv6)\n"
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IP_STR
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"IPv4 address\n"
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"IPv6 address\n"
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"Prefix (Type-5) route\n"
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"IP\n"
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"Prefix route\n")
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IP_STR
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"IPv4 prefix\n"
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"IPv6 prefix\n")
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{
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int idx_ipv4_ipv6_prefixlen = 5;
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struct prefix *argv_p;
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int found_prefix = 0;
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bool found_prefix = false;
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int ret = CMD_SUCCESS;
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afi_t afiz;
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safi_t safiz;
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char buf[PREFIX2STR_BUFFER];
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argv_p = prefix_new();
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afiz = bgp_vty_afi_from_str(afi);
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safiz = safi ? bgp_vty_safi_from_str(safi) : SAFI_UNICAST;
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/* check for evpn route type */
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if (afiz == AFI_L2VPN && safiz == SAFI_EVPN) {
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ret = bgp_debug_parse_evpn_prefix(vty, argv, argc, &argv_p);
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if (ret != CMD_SUCCESS)
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goto cleanup;
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} else {
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(void)str2prefix(argv[idx_ipv4_ipv6_prefixlen]->arg, argv_p);
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apply_mask(argv_p);
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if (ret != CMD_SUCCESS) {
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prefix_free(argv_p);
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return ret;
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}
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if (bgp_debug_update_prefixes
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@ -1519,14 +1495,14 @@ DEFPY (no_debug_bgp_update_prefix_afi_safi,
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}
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}
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prefix2str(argv_p, buf, sizeof(buf));
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if (found_prefix)
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vty_out(vty, "BGP updates debugging is off for %s\n",
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argv[idx_ipv4_ipv6_prefixlen]->arg);
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vty_out(vty, "BGP updates debugging is off for %s\n", buf);
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else
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vty_out(vty, "BGP updates debugging was not enabled for %s\n",
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argv[idx_ipv4_ipv6_prefixlen]->arg);
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buf);
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cleanup:
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prefix_free(argv_p);
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return ret;
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@ -338,6 +338,7 @@ struct cmd_node {
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#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
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#define ROUTER_STR "Enable a routing process\n"
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#define AS_STR "AS number\n"
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#define MAC_STR "MAC address\n"
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#define MBGP_STR "MBGP information\n"
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#define MATCH_STR "Match values from routing table\n"
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#define SET_STR "Set values in destination routing protocol\n"
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